One Freeview box in the lounge can then be viewed on all the other TVs, but they are restricted to watching the same Freeview channel that has been selected in the lounge (unless they have their own dedicated Freeview box). The output from the UHF modulator has all the original TV signals from the aerial plus one additional analogue channel, which is fed back up to the loft box for distribution around the other rooms / TV sets. a VCR, a Freeview box (with modulator), or from a Satellite receiver (with modulator): Relying on a set-top aerial for Freeview may give picture and sound interruptions due to insufficient signal or margin.īy routing the TV aerial down to the lounge initially, it is possible to 'add' another 'channel', which could come from e.g. This is a simple aerial distribution configuration.Ī digibox for every TV set works fine if there is an aerial distribution system in place. Provided each TV set has its own tuner / digibox, then all TVs are capable of viewing independent channels. from a set-top aerial).īy adding a 'loft box' the TV aerial signal can be distributed to a number of different rooms, providing both the analogue and digital signals at each TV outlet: There is no distribution here, any other TV set would be working independently (e.g. The TV aerial feeds down to one TV and provides analogue (if the signals are still there) and digital signals (if they are available).

Starting with the simplest possible configuration: The digital switchover presents a bit of a nightmare for hotel owners and (on a much smaller scale) the same problem applies at home - should each individual TV set have its own digibox, and what alternative ways of routing TV signals are available?

How to install a mercury rf modulator